Not forgotten: Remains of US soldier sought in Vietnam

The US Marine Corps veteran has returned to this mountain near the key Vietnam War battle site of Khe Sanh to help a group of United States military investigators pinpoint the site where remains of a Marine could be found.

Since the end of US combat involvement in 1973, 655 Americans listed as missing during the war have been repatriated from Vietnam and identified but 1,313 remain unaccounted for, the US says.

It is the job of the Hawaii-based Joint POW/MIA Accounting Command (JPAC) to investigate those missing-in-action cases, and to recover the remains of those they find....